1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
13 struct MyPtr<'a>(&'a mut usize);
14 impl<'a> Deref for MyPtr<'a> {
17 fn deref<'b>(&'b self) -> &'b usize { self.0 }
21 fn poke(&self, s: &mut usize);
25 fn poke(&self, s: &mut usize) {
34 //~^ ERROR cannot borrow `*s` as mutable more than once at a time